Three Mile Creek Watershed Site 50-2
Key Takeaway
Three Mile Creek Watershed Site 50-2 is classified as low hazard in Iowa. It was completed in 1980 and is 46 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 31 ft (taller than 53.8% in IA) |
| Dam Length | 480 ft |
| Dam Type | Earth |
| Max Storage | 216 acre-ft |
| Normal Storage | 47 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1980 (46 years old) |
| NID ID | IA02106 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Union County SWCD
Local Government
Nearby Dams
Three Mile Creek Watershed Site U-5-B
Union, IA
Low Hazard 28 ftThree Mile Creek Watershed Site U-4
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Low Hazard 28 ftThree Mile Creek Watershed Site 50-1
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Low Hazard 33 ftThree Mile Creek Watershed Site U-5-A
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Low Hazard 24 ftThree Mile Creek Watershed Site U-3
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Low Hazard 23 ftThree Mile Creek Watershed Site 52-1
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Low Hazard 35 ftThree Mile Creek Watershed Site U-7
Union, IA
Low Hazard 27 ftThree Mile Creek Watershed Site 49
Union, IA
Low Hazard 37 ftFrequently Asked Questions
What is the hazard classification of Three Mile Creek Watershed Site 50-2?
Three Mile Creek Watershed Site 50-2 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Three Mile Creek Watershed Site 50-2?
Three Mile Creek Watershed Site 50-2 is owned by Union County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Three Mile Creek Watershed Site 50-2 built?
Three Mile Creek Watershed Site 50-2 was completed in 1980, making it 46 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Three Mile Creek Watershed Site 50-2?
Three Mile Creek Watershed Site 50-2 serves the following purposes: Flood Risk Reduction, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Three Mile Creek Watershed Site 50-2?
Three Mile Creek Watershed Site 50-2 has a dam height of 31 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Three Mile Creek Watershed Site 50-2 last inspected?
Three Mile Creek Watershed Site 50-2 was last inspected on October 25, 2001. Inspection dates indicate when a formal review occurred, not the results of that inspection.